Patents by Inventor Yue C. Cheng

Yue C. Cheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4475013
    Abstract: The automatic telephone dialing apparatus or repertory telephone dialer system includes a microprocessor, a keyboard and control and routing circuits coupled to and between the keyboard, the microprocessor, an incoming telephone line, and a telephone unit. The keyboard has a plurality of pushbutton keys, each one of which, when depressed, causes the automatic dialing of a predetermined number. Pairs of names and numbers are stored within an internal memory of the microprocessor such that, by depressing keys representing the first few letters of a name, one may find, and cause automatic dialing of, a number corresponding to that name. The system also includes a timer, a redial timer, an alphanumeric display, and means for listing out the stored names on the display, and for searching through a series of names that have the same first several numbers or where the names have the same first several letters.
    Type: Grant
    Filed: May 12, 1982
    Date of Patent: October 2, 1984
    Assignee: International Quartz Ltd.
    Inventors: Thomas K. P. Lee, Yue C. Cheng
  • Patent number: 4390142
    Abstract: The cord reel assembly comprises first and second identical hub-forming members. A plate is positioned between the inner ends of abutting cylindrical sections of the hub-forming members. First and second identical annular opposed shell members are held between outer symmetrical opposed disc sections of the respective hub-forming members. Each shell member has an outer inwardly positioned circumferential edge where each such shell member abuts the opposed shell member. A rivet-like member is provided for holding the cylindrical sections together with the plate situated between the inner ends of the cylindrical sections to form a hub assembly with each disc section bearing against one of the shell members to hold the shell members in place with the inner edges thereof in abutting relationship. Each shell member has a notch extending into the shell member from the outer circumferential edge thereof and adapted to register with an opposed identical notch in the opposed shell member.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: June 28, 1983
    Inventor: Yue C. Cheng